From: Jason Dillaman <dillaman@redhat.com>
Date: Wed, 6 Jan 2016 19:55:02 +0000 (-0500)
Subject: librbd: disable write_full optimization if image has parent
X-Git-Tag: v10.0.2~8^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=1329a09eccb763b8e1166ec8567abfe8c3015350;p=ceph.git

librbd: disable write_full optimization if image has parent

Fixes: #14241
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
---

diff --git a/src/librbd/AioObjectRequest.cc b/src/librbd/AioObjectRequest.cc
index 5b3d6165613..e7750cb854d 100644
--- a/src/librbd/AioObjectRequest.cc
+++ b/src/librbd/AioObjectRequest.cc
@@ -549,7 +549,7 @@ namespace librbd {
 			   << m_object_off << "~" << m_object_len
                            << " object exist " << m_object_exist
 			   << " write_full " << write_full << dendl;
-    if (write_full) {
+    if (write_full && !has_parent()) {
       send_write_op(false);
     } else {
       AbstractAioObjectWrite::send_write();